/*
 *  Copyright 2013-2015 www.snakerflow.com.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *     http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */
package org.snaker.engine.access.mybatis;

import java.sql.Connection;
import java.sql.SQLException;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.snaker.engine.access.jdbc.JdbcAccess;

/**
 * mybatis方式的数据库访问
 * @author yuqs
 * @since 1.0
 */
public class MybatisAccess extends JdbcAccess {
    /**
     * mybatis的sqlSessionFactory
     */
    private SqlSessionFactory sqlSessionFactory;

    /**
     * setter
     * @param sqlSessionFactory
     */
    public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
        this.sqlSessionFactory = sqlSessionFactory;
    }

    @Override
    public void initialize(Object accessObject) {
        if (accessObject == null) return;
        if (accessObject instanceof SqlSessionFactory) {
            this.sqlSessionFactory = (SqlSessionFactory) accessObject;
            setDataSource(this.sqlSessionFactory.getConfiguration().getEnvironment().getDataSource());
        }
    }

    private SqlSession getSession() {
        return MybatisHelper.getSession(sqlSessionFactory);
    }

    @Override
    public boolean isORM() {
        return false;
    }

    @Override
    protected Connection getConnection() throws SQLException {
        return getSession().getConnection();
    }
}
